| 中文摘要 | 第4-6页 |
| ABSTRACT | 第6页 |
| Chapter 1 Introduction | 第10-13页 |
| Chapter 2 Object and method | 第13-17页 |
| 2.1 Object | 第13页 |
| 2.2 Method | 第13-15页 |
| 2.3 Statistical analysis | 第15-17页 |
| Chapter 3 Result | 第17-29页 |
| 3.1 The main symptoms,age and gender difference | 第17页 |
| 3.2 Time duration to meet inclusion criteria of POTS during HUTT | 第17-18页 |
| 3.3 Comparison of heart rate in total patients after medication of 14 days to 6 months | 第18页 |
| 3.4 Comparison of systolic blood pressure in total patients after medication of 14 days to 6 months | 第18-20页 |
| 3.5 Comparison of diastolic blood pressure in total patients after medication of 14 days to 6 months | 第20-21页 |
| 3.6 Comparison of hear rate, systolic blood pressure, diastolic blood pressure of children with POTS in supine position treated with four different method | 第21-22页 |
| 3.7 Comparison of hear rate, systolic blood pressure, diastolic blood pressure of children with POTS during tilt start treated with four different method | 第22-24页 |
| 3.8 Comparison of hear rate, systolic blood pressure, diastolic blood pressure of children with POTS during 5 minutes of HUTT treated with four different method | 第24-25页 |
| 3.9 Comparison of hear rate, systolic blood pressure, diastolic blood pressure of children with POTS during 10 minutes of HUTT treated with four different method | 第25-27页 |
| 3.10 Comparison of treatment outcome in four different method | 第27-29页 |
| Chapter 4 Discussion | 第29-39页 |
| 4.1 Symptoms | 第30页 |
| 4.2 Age and Gender | 第30-31页 |
| 4.3 Time period to meet inclusion criteria during HUTT | 第31页 |
| 4.4 Health education and POTS | 第31-32页 |
| 4.5 ORS and POTS | 第32-33页 |
| 4.6 Metoprolol in POTS | 第33-34页 |
| 4.7 Midodrine hydrochloride in POTS | 第34-35页 |
| 4.8 Heart rate in POTS | 第35-36页 |
| 4.9 Comparison in four different treatment methods outcome | 第36-37页 |
| 4.10 Limitation of this study | 第37-39页 |
| Chapter 5 Conclusions | 第39-40页 |
| References | 第40-44页 |
| Review | 第44-59页 |
| 1.Introduction | 第44-45页 |
| 2.Pathophysiology of POTS | 第45-46页 |
| 3.Types of POTS | 第46-47页 |
| 4.Recognized triggers of POTS | 第47-48页 |
| 5.Clinical signs and symptoms of POTS | 第48页 |
| 6.Investigation for suspected POTS | 第48-49页 |
| 7.Differential diagnosis | 第49-50页 |
| 8.Treatment | 第50-54页 |
| 9.Conclusion | 第54-55页 |
| References | 第55-59页 |
| Acknowledgments | 第59-61页 |
| Maters degree program research achievements | 第61-62页 |
